Q 1: Find the value of the expression 7x+50, when x=3. Answer:

Q 2: Find the value of the expression 2x^{2}+6x+3, when x=3. Answer:

Q 3: Subtract 6x from 7x. Answer:

Q 4: Find the value of the expression 10x+15, when x=3. Answer:

Q 5: (7x^{2}+7x+7)+(6x+7x^{2}+9) = _____? 12x^{2}+4x4 14x+15x^{2}+16 13x^{2}+2x14 14x^{2}+13x+16

Q 6: Arrange the given polynomial in ascending order using exponents: 6x+7x^{2}+9 7x^{2}+9+6x 9+6x+7x^{2} 7x^{2}+6x+9 9^{2}+6x+7x

Q 7: Find the additive inverse of (7x^{2}+3x+3). 7x^{2}3x3 7x^{2}+3x3 7x^{2}+3x3 7x^{2}+3x+3

Q 8: 4x^{2}+7x^{3}+9x^{} find the degree of polynomial. Answer:

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